Finding the Fourth Proportional to 167,958,218.93, 231,881,767.61 and 149,321,884.08
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Solution
The fourth proportional to 167,958,218.93, 231,881,767.61 and 149,321,884.08 is: 206,152,593.45
Step by Step Solution
- Step 1: Write the proportion equation
167,958,218.93 : 231,881,767.61 = 149,321,884.08 : x - Step 2: Convert to fraction form
167,958,218.93/231,881,767.61 = 149,321,884.08/x - Step 3: Cross multiply
167,958,218.93x = 231,881,767.61 × 149,321,884.08 - Step 4: Simplify right side
167,958,218.93x = 34,625,022,423,325,924 - Step 5: Solve for x
x = 34,625,022,423,325,924/167,958,218.93 - Step 6: Final answer
x = 206,152,593.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.